Home / 262,451.20-393,589.12-84,910.72

Finding the Fourth Proportional to 262,451.20, 393,589.12 and 84,910.72

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Solution

The fourth proportional to 262,451.20, 393,589.12 and 84,910.72 is: 127,337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,451.20 : 393,589.12 = 84,910.72 : x
  2. Step 2: Convert to fraction form
    262,451.20/393,589.12 = 84,910.72/x
  3. Step 3: Cross multiply
    262,451.20x = 393,589.12 × 84,910.72
  4. Step 4: Simplify right side
    262,451.20x = 33,419,935,563.37
  5. Step 5: Solve for x
    x = 33,419,935,563.37/262,451.20
  6. Step 6: Final answer
    x = 127,337.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.